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6689714589 = 343712971721
BaseRepresentation
bin1100011101011110…
…01111000110011101
3122021012212201020000
412032233033012131
5102200031331324
63023451444513
7324530431035
oct61657170635
918235781200
106689714589
112923195648
121368456739
13827c466cc
1447666a8c5
152924779c9
hex18ebcf19d

6689714589 has 40 divisors (see below), whose sum is σ = 10277247288. Its totient is φ = 4333409280.

The previous prime is 6689714573. The next prime is 6689714609. The reversal of 6689714589 is 9854179866.

It can be written as a sum of positive squares in 4 ways, for example, as 5364390564 + 1325324025 = 73242^2 + 36405^2 .

It is not a de Polignac number, because 6689714589 - 24 = 6689714573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689714509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3886249 + ... + 3887969.

Almost surely, 26689714589 is an apocalyptic number.

It is an amenable number.

6689714589 is a deficient number, since it is larger than the sum of its proper divisors (3587532699).

6689714589 is a wasteful number, since it uses less digits than its factorization.

6689714589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3058 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 6689714589 is about 81790.6754404192. The cubic root of 6689714589 is about 1884.2384556589.

The spelling of 6689714589 in words is "six billion, six hundred eighty-nine million, seven hundred fourteen thousand, five hundred eighty-nine".

Divisors: 1 3 9 27 37 81 111 333 999 1297 1721 2997 3891 5163 11673 15489 35019 46467 47989 63677 105057 139401 143967 191031 431901 573093 1295703 1719279 2232137 3887109 5157837 6696411 20089233 60267699 82589069 180803097 247767207 743301621 2229904863 6689714589